fix: catppuccin bufferline integration

- fixes failure: attempt to call field 'get' (a nil value)

lua/lazyvim/plugins/colorscheme.lua

@@ -58,7 +58,7 @@ return {
         optional = true,
         opts = function(_, opts)
           if (vim.g.colors_name or ""):find("catppuccin") then
-            opts.highlights = require("catppuccin.groups.integrations.bufferline").get()
+            opts.highlights = require("catppuccin.groups.integrations.bufferline").get_theme()
           end
         end,
       },